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In mathematics and its applications, the signed distance function or signed distance field (SDF) is the orthogonal distance of a given point x to the boundary of a set Ω in a metric space (such as the surface of a geometric shape), with the sign determined by whether or not x is in the interior of Ω.
As of 2014 SDF format version SDF3 (based on SQLite3) uses a single file. Prior versions of the format required a spatial index file (SIF), with an optional key index file (KIF) to speed access to the file. The SDF file format can be created and manipulated using an OSGeo FDO Provider for SDF, [1] [2] which is open-source software.
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A fashion boot is a boot worn for reasons of style or fashion (rather than for utilitarian purposes – e.g. not hiking boots, riding boots, rain boots, etc.). The term is usually applied to women's boots. Fashion boots come in a wide variety of styles, from ankle to thigh-length, and are used for casual, formal, and business attire.
A buskin is a knee- or calf-length boot made of leather or cloth, enclosed by material, and laced, from above the toes to the top of the boot, and open across the toes. [ 1 ] The word buskin, only recorded in English since 1503 meaning "half boot", is of unknown origin, perhaps from Old French brousequin (in modern French brodequin ) or ...
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The surface of kirza imitates pig leather. [1] The material is mainly used in the production of military boots, where it is a cheap and effective replacement for natural leather. It is also used in the production of belts for machinery and automobiles. The Kirza SK high boots were named by soldiers as 'shit trampers'. [2] It is also used in ...
Travis Kelce is game-day, and holiday, ready.. The Kansas City Chiefs tight end, 35, arrived to Arrowhead Stadium on Nov. 29 for his team to face off with the Las Vegas Raiders wearing velvet from ...